1.
Brad has decided to disassemble his computer system in an attempt to diagnosis a continuing power problem. Which of the following would not be a recommended procedure for Brad to follow.
Correct Answer
C. Wearing an ESD strap while the computer is on
Explanation
Wearing an ESD strap while the computer is on is not a recommended procedure because it poses a risk of electrostatic discharge (ESD) to the computer components. ESD straps are used to prevent static electricity from damaging sensitive electronic components, but they should only be worn when working on the computer while it is powered off and unplugged. Wearing the strap while the computer is on can create a potential difference between the strap and the computer, leading to ESD and potentially damaging the components.
2.
ESD cannot harm a computer system due to its overall low voltage level.
Correct Answer
B. False
Explanation
ESD, or electrostatic discharge, can actually harm a computer system despite its low voltage level. When a person or object with a different electrical charge comes into contact with a computer component, it can cause a sudden discharge of static electricity, which can damage sensitive electronic circuits. Therefore, it is important to take precautions such as using anti-static wristbands or mats to prevent ESD damage when working with computer systems.
3.
Motherboards are all equal in design and features
Correct Answer
B. False
Explanation
Motherboards are not all equal in design and features. Different motherboards have different designs and features depending on their intended use and specifications. They can vary in terms of form factor, socket type, number of expansion slots, supported RAM and storage types, onboard audio and networking capabilities, and other features. Therefore, it is incorrect to say that motherboards are all equal in design and features.
4.
RAM is universial from motherboard to motherboard
Correct Answer
B. False
Explanation
The statement is incorrect. RAM (Random Access Memory) is not universal from motherboard to motherboard. Different motherboards support different types of RAM, such as DDR3 or DDR4. The type of RAM supported by a motherboard depends on its specifications and compatibility. Therefore, the statement that RAM is universal from motherboard to motherboard is false.
5.
Betty recently received an order for a custom computer at her computer shop located in Glasgow, KY. Betty uses an inventory checklist each time she assembles or disassembles a PC. Which of the following statements best describe why inventory checklists are used where computers are built or repaired?
Correct Answer
B. The checklist assists the technician in accounting for all computer parts that may have been removed or are going to be installed within a computer system.
Explanation
Inventory checklists are used in computer assembly or repair to assist technicians in keeping track of all computer parts that may have been removed or are going to be installed. This ensures that no parts are lost or forgotten during the process. The checklist serves as a reference for the technician to account for each component, ensuring accuracy and completeness in the computer system. It also helps in identifying any missing or defective parts. This statement best describes the purpose of inventory checklists in computer assembly or repair.
6.
After looking at numerous computer cases for his custom PC, Brett has decided on a case with a 600-watt power supply. Why should consumers and computer builders both be concerned about the wattage of a power supply.
Correct Answer
A. Each powered component of a computer system pulls from the power supply. If the supply does not have enough watts to supply power to all components then the system will no function correctly.
Explanation
Consumers and computer builders should be concerned about the wattage of a power supply because each component of a computer system relies on the power supply to function. If the power supply does not have enough watts to supply power to all components, the system will not function correctly. This means that certain components may not receive enough power to operate, leading to potential malfunctions or system failures. Therefore, it is important to ensure that the wattage of the power supply is sufficient for the specific components and their power requirements.
7.
Eddie was amazed at all of the options available concerning the CPU selection for his new PC. Which of the following statements is true concerning the CPU?
Correct Answer
C. CPU’s must match up with the socket type on a motherboard
Explanation
The statement that is true concerning the CPU is that CPU's must match up with the socket type on a motherboard. This means that when selecting a CPU for a new PC, it is important to ensure that the CPU is compatible with the socket type on the motherboard. Different CPUs have different socket types, and they need to match in order for the CPU to be properly installed and function correctly.
8.
There is only one socket type within the various motherboards produced today.
Correct Answer
B. False
Explanation
The statement "There is only one socket type within the various motherboards produced today" is false. Motherboards can have different socket types, such as LGA, PGA, or BGA, depending on the manufacturer and the specific model. These socket types determine the compatibility of the processor that can be installed on the motherboard.
9.
ESD straps should be removed when removing a power sully.
Correct Answer
A. True
Explanation
ESD (Electrostatic Discharge) straps are worn to prevent the buildup and discharge of static electricity, which can damage sensitive electronic components. When removing a power supply, it is important to remove the ESD straps to avoid any potential discharge of static electricity onto the power supply or other components. This ensures the safety of the components and prevents any potential damage that could occur from static electricity. Therefore, the statement is true.
10.
Power supplies are sometimes included with a purchase computer case
Correct Answer
A. True
Explanation
Power supplies are sometimes included with a purchase of a computer case. This means that when you buy a computer case, it may come with a power supply unit already installed. This is convenient for users as they don't have to separately purchase a power supply unit and install it themselves. Having a power supply included with the case ensures that users have all the necessary components to power their computer system.
11.
The CPU heat sink allows heat to escape from the CPU and cool air to be pushed towards the CPU.
Correct Answer
A. True
Explanation
The CPU heat sink is designed to dissipate heat generated by the CPU. It is typically made of metal and has fins or other structures that increase the surface area for heat transfer. When the CPU heats up, the heat sink absorbs the heat and allows it to escape into the surrounding environment. At the same time, the heat sink helps to draw in cool air and direct it towards the CPU, aiding in the cooling process. Therefore, the statement is true as the CPU heat sink does allow heat to escape from the CPU and cool air to be pushed towards it.
12.
As Ken was taking a close look at the small writing on his motherboard he noticed some writing beside a plastic piece that read, “DIMM 1”. DIMM 1 could be best described as
Correct Answer
B. A module used for memory on a motherboard
Explanation
DIMM 1 is best described as a module used for memory on a motherboard. This means that DIMM 1 is a slot or socket where a memory module can be inserted to provide additional memory capacity for the computer system.
13.
Mattie has been asked to summarize the installation of the CPU within a new motherboard. Which of the following would be the correct first steps for Mattie to follow so that she can install the CPU correctly?
Correct Answer
D. Check the pins on the CPU to ensure they are straight and then locate pin 1 on the chip so that the CPU can be inserted in the correct position.
Explanation
The correct first step for Mattie to follow in order to install the CPU correctly is to check the pins on the CPU to ensure they are straight. After confirming that the pins are straight, Mattie should locate pin 1 on the chip so that the CPU can be inserted in the correct position. This ensures that the CPU is aligned properly with the ZIF socket on the motherboard, which is crucial for successful installation.
14.
Which of the following is an example of volitile memory?
Correct Answer
A. RAM
Explanation
RAM (Random Access Memory) is an example of volatile memory because it is a type of computer memory that is temporary and loses its data when the power is turned off or interrupted. It is used by the computer to store data that is actively being used by the CPU, allowing for quick access and retrieval. Unlike ROM (Read-Only Memory), CPU (Central Processing Unit), and BIOS (Basic Input/Output System), which are examples of non-volatile memory, RAM does not retain data when the power supply is disconnected.
15.
Which of the following is not a reason that memory is important to a computer system.
Correct Answer
D. Memory allows for perament storage to occur within the computer system
Explanation
Memory is important to a computer system because it allows open programs to be stored, stores web pages currently accessed by the user, and allows faster access to open games and other programs if storage space is available. However, memory does not allow for permanent storage within the computer system. Permanent storage is typically achieved through hard drives or solid-state drives, which retain data even when the computer is powered off.
16.
Which of the following could be found on a motherbaord
Correct Answer(s)
A. ZIF Socket
B. Battery
C. BIOS
D. PCI Slot
E. USB Port
J. Power Connector
Explanation
A motherboard is the main circuit board of a computer that connects and allows communication between various hardware components. The ZIF (Zero Insertion Force) socket is commonly found on a motherboard and is used to securely hold and connect the CPU (Central Processing Unit). The battery on a motherboard is responsible for providing power to the CMOS (Complementary Metal-Oxide-Semiconductor) memory, which stores important system information. The BIOS (Basic Input/Output System) is a firmware program stored on a chip on the motherboard that initializes the hardware components during startup. PCI slots are used to connect expansion cards such as sound cards or network cards. USB ports are commonly found on motherboards to connect peripheral devices. The power connector on a motherboard is used to supply power from the power supply unit to the motherboard.
17.
Which of the following would help reduce the chance of ESD while working on a computer system?
Correct Answer(s)
A. Use wrist straps when working on computer parts, except when working on monitors
B. Keeping the humity below 30%
D. Touch unpainted grounded metal parts of the computer frequently to lower the static energy of the body.
Explanation
Using wrist straps when working on computer parts, except when working on monitors, helps to reduce the chance of ESD by grounding the body and preventing the buildup of static electricity. Keeping the humidity below 30% is also important as higher humidity levels can help dissipate static charges. Touching unpainted grounded metal parts of the computer frequently helps to discharge any static energy that may have built up in the body. These measures help to minimize the risk of ESD and protect the computer system from potential damage.
18.
Which of the following is not a component that one 100% need to have when building a custom PC from scratch?
Correct Answer
C. Sound Card
Explanation
A sound card is not a necessary component when building a custom PC from scratch. While it can enhance audio quality and provide additional audio features, modern motherboards often come with built-in audio capabilities that are sufficient for most users. Therefore, a sound card is not essential and can be omitted when building a custom PC, making it the correct answer.